- Traeger
- Transcend
- Traxxas
- Trekstor
- Trendnet
- Tri-Edre
- Triax
- TRIMBLE
- Tripp Lite
- Tristar
- TRIUM
- TRIUMPH
- Triumph-Adler
- Trotec
- Troy-Bilt
- Trust
- TSC
- Tucson
- Ubisoft
- UCOM
- UEi
- Ulead
- Unbranded
- UNELVENT
- Unic Line
- Uniden
- Unitron
- unknown
- UPM
- Urania
- Urban Factory
- Urban Revolt
- urmet domus
- Utax
- UTICA BOILERS
- UTStarcom
- V-ZUG
- Vaillant
- Vaisala